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10
5
1 slave
2 slaves
3 slaves
4 slaves
5 slaves
6 slaves
10
4
7 slaves
8 slaves
9 slaves
11 slaves
10 slaves
10
3
10
2
10
1
10
0
10
-1
50
100 50
200 50
300 50
400 50
Number of concurrent users
(a)
10
5
1 slave
2 slaves
3 slaves
4 slaves
5 slaves
6 slaves
10
4
7 slaves
8 slaves
9 slaves
11 slaves
10 slaves
10
3
10
2
10
1
10
0
10
-1
50
100 50
200 50
300 50
400 50
Number of concurrent users
(b)
10
5
1 slave
2 slaves
3 slaves
4 slaves
10
4
5 slaves
6 slaves
7 slaves
8 slaves
9 slaves
11 slaves
10 slaves
10
3
10
2
10
1
10
0
10
-1
50
100 50
200 50
300 50
400 50
Number of concurrent users
(c)
FIGURE 11.7
Average relative replication delay of the workload with the read/write ratio is
80/20. (a) Same zone (
us
-
west
-1
a
). (b) Different zone (
us
-
west
-1
b
). (c) Different region (
eu
-
west
-1
a
).
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